repo initialized with test cases

doc/models/refund-status-details.md

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+
+# Refund Status Details
+
+The details of the refund status.
+
+## Structure
+
+`RefundStatusDetails`
+
+## Fields
+
+| Name | Type | Tags | Description | Getter | Setter |
+|  --- | --- | --- | --- | --- | --- |
+| `reason` | [`?string(RefundIncompleteReason)`](../../doc/models/refund-incomplete-reason.md) | Optional | The reason why the refund has the `PENDING` or `FAILED` status. | getReason(): ?string | setReason(?string reason): void |
+
+## Example (as JSON)
+
+```json
+{
+  "reason": "ECHECK"
+}
+```
+